Home / 11,213.63-16,815.88-3,314

Finding the Fourth Proportional to 11,213.63, 16,815.88 and 3,314

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Solution

The fourth proportional to 11,213.63, 16,815.88 and 3,314 is: 4,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.63 : 16,815.88 = 3,314 : x
  2. Step 2: Convert to fraction form
    11,213.63/16,815.88 = 3,314/x
  3. Step 3: Cross multiply
    11,213.63x = 16,815.88 × 3,314
  4. Step 4: Simplify right side
    11,213.63x = 55,727,826.32
  5. Step 5: Solve for x
    x = 55,727,826.32/11,213.63
  6. Step 6: Final answer
    x = 4,969.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.